Hello, I am having this same issue with google calendar. The odd thing is that it works when i do a preview of the page though when i move it to be used on a page it stops working and has me hang on that page after logging in

The popup also may not appear at all. In both instances, authentication is unlikely to be successful.

This may be related to the Skuid page residing in a different namespace than expected. To resolve this issue, you may need to set a Custom Callback URL in the authentication provider—functionality that is only available in Skuid versions 10.0.0 and above—as well as clone Skuid’s oauthcallbackVisualforce page. To do this: